Device for holding animals while under treatment or operations



D. W. SHOCK Dec. 26, 1939.

DEVICE FOR HOLDING ANIMALS WHILE UNDER TREATMENT OR OPERATIONS OriginalFiled Jan. 21, 1938 Z'mnentor .Davzld WJ/ zoofl, I

40- A cord or r p w the wedge is p r ly animal as the draft of the cordupon the wedge 40 Patented Dec.26, 1939 I t I I UNITED STATES PATENTOFFlCE DEVICE FOR HOLDING ANIMALS WHILE UNDER TREATMENT OR OPERATIONSDavid W. Shook, Dayton Township, Butler County, Iowa Application January21, 1938, Serial No. 186,088 Renewed May 20, 1939 2 Claims. (Cl. 119103)Myinvention relates to improvements in holdis fastened to the top of thebed-plate across ng animals in positions for treatment or opera, fromthe aperture 3a, and a curvate arm 8 has tions, and an object of myimprovements is to one end hinged to the plate 8a to swing transsupplyan operating stand with means for lockversely, the arm being a loopopening down- 5 ably releasably securing an animal thereon ad- Wardlywith its termination passed downwardly 5 justably and conveniently.through the aperture 3a to projectbelow it, and

Another object of my improvements is to furthe depending end part of thearm being toothed nish cooperating fastening devices for different alongits right-hand edge. A pawl 9 pivoted at parts of the animal whenpositioned on the stand. 9a to the under face of the bed-plate projects10 These objects I have accomplished by the across the lower edge of theledge 3. A coiled 10 means which are hereinafter fully described,tension spring Ill has its ends connected by links claimed andillustrated in the accompanying Illa respectively to the left-hand endsupport 2 drawing, in which Fig, 1 is a perspective view and also to theouter end of the pawl 9, the latter of my complete apparatus, with aportion of the being thus kept yieldingly engaged with the teethupraised lateral ledge thereof broken away. Fig. of the arm 8adjustably. This curvate arm may 15 2 is a plan view of the under faceof the operatthus clamp the neck of an animal to and against ing stand,with'the releasable adjustable locking the bed-plate and the ledge.devices mounted thereon, and with a part broken The wedge 5 serves tocramp opposite partsof away. Fig. 3 is a cross section of Fig. 2, takenon the cord or rope I adjustingly when the spring the broken line 33 inthe direction indicated by B after extension draws the wedge inwardly,the 20 the arrow. I sloping side walls of the wedge serving to com- Itis to be understood that various changes may press the cord membersbetween the wedge and be effected in the elements of said invention,withthe angles at the sides of the walls of the aperout departingfromthe principles and uses thereture 4a. The operator having first fastenedthe of. ends of the cord members to the hind legs of the 25 The stand ofthis apparatus consists of a bedanimal at a desired spacing of themapart for an plate I of oblong shape fixed on end supports 2, operation,such as castration or otherwise, when with a lateral upwardly directedwall or ledge 3 the wedge and cord members are in the positions fixedalong one longitudinal edge of the bed-plate shown in Fig. 2, may pullupon the medial outer l. A depending bearing-block 4 is fixed mediallyloop of the cord 1 and the cord will frictionally 30 upon the lower edgeof the ledge 3, and has a draw out the wedge a desired distance, so thathorizontal oblong aperture with parallel walls when the operatorrelinquishes the cord, the retherein shown at to. A wedge 5 with itswider lease of tension of the spring 6 will return the end outward fromthe aperture 4a is inserted wedge to, as shown, cramp the cord membersbetherein and therethrough, and as shown in Fig. tween the side walls ofthe wedge and the angles 35 2 a coiled tension spring 6 is at oppositeends conof the side parts aperture 4a in the ledge 3, nected by linkingdevices Ba and 6b to a staple whereby the animals legs are held apartadjust- 50 in the narrow end of the Wedge 5 d to a ably. When theoperation is completed, therope p 501 in the pp p Of e bed-plate l. endsare slackened for disengagement from the withdrawn outwardly may belooped as shown he pulled out loosens the wedge. with equal lengthsthereof passed through spaces 1 l i between the wedge and the outer sideangles at 1, In mbination, a raised platform with an the aperture laacross the lower face of the platupwardly extending lateral wall, andhaving a form or bed-p a e L thence p y through depending projectionbelow the wall with an 45 a P Of heleS la te have t minal parts aperturehaving transverse parallel faces,awedge above the bed-plate, and ifdesired may have havin an outer end wider than the horizontal r s a orother fastening means thereon to width of said aperture, a cord or thelike having close or fasten to a hogs hind legs, or to members a medialpart around'the wider end of the'wedge of y Other animalwith its memberspassed through said aperture 5 I have Supplied auxiliary means forreceiving between its side walls and the sloping side walls a d (B p theneck of the animal alSO- Just of the wedge, and a resilient connectionbetween within the ledge 3 at the left part of the bed-plate th inn narrw r nd of the wedge and the opl the latter is apertured at 3a orrectangularly posite part of th latf rm, whereby the wedge notchedadjacent the ledge. A small plate 811. may adjustingly clamp the cordmembers to said 55 projection after the members are fastened to limbs ofan animal supported upon and against the platform and its ledge.

2. In combination, a raised apertured platform with an upwardlyextending lateral wall, and having a depending projection below the wallwith an aperture having transverse parallel faces, a wedge having anouter end Wider than the horizontal width of said aperture, a cordhaving 0 a medial part around the wider end of the wedge with itsmembers passed through said aperture between its side walls and thesloping side walls of the wedge, a resilient connection between theinner end of the wedge and the opposite part of with teeth of saidmember releasably.

Y DAVID W. SHOOK.

